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Bug#440880: xserver-xorg-core: bad behaving clients can starve other clients

Jiří Paleček wrote:
> On Sun, 25 Nov 2007 22:55:08 +0100, Brice Goglin
> <Brice.Goglin@ens-lyon.org> wrote:
>> Jiří Paleček wrote:
>>> I tried the xrender benchmark from
>>> http://www.freedesktop.org/~zack/xrenderbenchmark.tar.bz2, and when I
>>> ran it, it virtually locked up every other X client. I think this is a
>>> problem, although such clients are uncommon. Also, I think it would be
>>> quite hard to implement some kind of fairness in the xserver.
>> Sorry for the late reply, we should forward this bug upstream
>> (bugzilla.freedesktop.org, product xorg, component Server/General).
> Thanks for your answer.
>> Before we do so, can you reproduce the problem with xserver-xorg-core
>> 1.4.1
>> currently in unstable?
> Yes. I see this problem eg. when running freecol, too.

I don't see any problem here on i945 and r300 with Xserver 1.4 under a
Gnome environment. Maybe it's driver specific, depending on how the
Render extension is supported. Can you send the whole output of
/usr/share/bug/xserver-xorg/script 3>&1 (or point me to another bug
report that contains a recent one from the same machine) ?

Also, can you describe what you exactly observed? Did the problem appear
immediately? Or only during some specific tests? Did the system come
back to work fine after the benchmark? Was the mouse working ok?
Anything else?


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